Gennady Golovkin (34-0, 31 KOs) stopped David Lemieux (34-3, 31 KOs) in the eighth round on Saturday night in a one-sided middleweight world title unification fight at Madison Square Garden in New York.
Golovkin was dominant from the first bell, landing almost every punch he threw before the referee stopped the fight.
The Kazakh fighter hurt Lemieux in the opening round and continued to punish him throughout.
Lemieux seemed tentative and even when he started throwing shots, Golovkin had little…